Home / 79,115,806.20-118,673,709.30-48,504,804.60

Finding the Fourth Proportional to 79,115,806.20, 118,673,709.30 and 48,504,804.60

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Solution

The fourth proportional to 79,115,806.20, 118,673,709.30 and 48,504,804.60 is: 72,757,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115,806.20 : 118,673,709.30 = 48,504,804.60 : x
  2. Step 2: Convert to fraction form
    79,115,806.20/118,673,709.30 = 48,504,804.60/x
  3. Step 3: Cross multiply
    79,115,806.20x = 118,673,709.30 × 48,504,804.60
  4. Step 4: Simplify right side
    79,115,806.20x = 5,756,245,080,753,703
  5. Step 5: Solve for x
    x = 5,756,245,080,753,703/79,115,806.20
  6. Step 6: Final answer
    x = 72,757,206.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.